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Finding the Fourth Proportional to 610,588.88, 915,696.60 and 422,259.56

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Solution

The fourth proportional to 610,588.88, 915,696.60 and 422,259.56 is: 633,260.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,588.88 : 915,696.60 = 422,259.56 : x
  2. Step 2: Convert to fraction form
    610,588.88/915,696.60 = 422,259.56/x
  3. Step 3: Cross multiply
    610,588.88x = 915,696.60 × 422,259.56
  4. Step 4: Simplify right side
    610,588.88x = 386,661,643,409.50
  5. Step 5: Solve for x
    x = 386,661,643,409.50/610,588.88
  6. Step 6: Final answer
    x = 633,260.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.